{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "362431",
    "entityType": "User",
    "nonce": "0x874e17aa2a375129b3a2979c53f23531bea89727584ae122603d80ec74f399be",
    "signature": "0x12bde810e5632e69099809ca17149e37660f21576693fb0966e07e2d1aa25a5b301c21d8f329f5b1988e984826af1d8685202b82fb88b02ac04e6d98d484803d1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}