{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "373173",
    "entityType": "User",
    "nonce": "0xad7cd2d210dbdfc3914ff5e7e4b946ae09b6203ed1157607436c0ec08e1e670f",
    "signature": "0x0b5a666d9770b16b3b544a5e10cca571c1680808bbd80857752840fcb328c4b963a2eb566c02436d62f39e1497441e3b931174a5ddd37451f50fd6d89dc4ca321b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}