{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "582447217",
    "entityType": "User",
    "nonce": "0x35756188bd7622f03976314a7b9dccd599aed7c2599916ed6bf99c08ab56fdf9",
    "signature": "0xea8aa55032d18c8999f5b420bbff1875002cd52f3722b557c8b3d34c32e17c0808d47ce989d9603ad4b66ab269d93925acd11e06a3b234b28b80271e827b39f01b",
    "signer": "0x9bd43c027DCcab5b8DeeBC119D64afBdEEe0Cf30",
    "userId": "351805183"
  }
}