{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "147057",
    "entityType": "User",
    "nonce": "0x35d54faca407bcd00ddc43702ef5da7a58de4e28609ffdc925ba2fd70a477bfd",
    "signature": "0xb2e3c50ba4f09a858627c98b395093da3e416d5d20736ddbf26fff968db455e307b5a55a1d0b2a124641e65d0cdcc75aa945890f5698b411667cfedba0d9229d1b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}