{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "428192787",
    "entityType": "User",
    "nonce": "0x624d0edbb476f0f4c07a7232c5b1462fd4bd809c329b68dba26db8d6ae00aa56",
    "signature": "0x141a6bf40be4ae638b4670724e543b8f70e20b80b8bf4fcab6a51a276535c875102981b66f27127974441b6d9e2c4ded066ef82734d1681c87442f54ab6ec5491b",
    "signer": "0xAfE04b3A47505816aD72A3036422AC553C1dFEc3",
    "userId": "515307498"
  }
}