{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "76829893",
    "entityType": "User",
    "nonce": "0xd47f905577feaee5fa2a3dd8b9ece89cf43e14c5f7132a9415c19bbed49aef66",
    "signature": "0x086fdceca017192e61a8ac0b88022d4d9604a1db6deea069b01e3f5728a8cc0411d342ab96be903b8ab970d9da0632d429da73e3a838d9d201247f2e4e392dd41b",
    "signer": "0x038f9CA74f1De4A6D94d94c4C354E1F5B11fd38A",
    "userId": "453233591"
  }
}