{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1968714",
    "entityType": "User",
    "nonce": "0x174b69c96e7efa202c46a40fa656ef8fe00cbd262a2286411eb476188430b783",
    "signature": "0x99270b1797f856d9ad8b49cae3da39482e0a9306c90a6bb70bb07663d012b3f74b7941560fe4bf1cd1b8976109ef5beee5b39e3da7e1bf4f4a5e23005fbed6e61b",
    "signer": "0x67fFAB2Bea54ECD8e3337F7FB2FF1410B4Fa8d29",
    "userId": "883101942"
  }
}