{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0xb384f95f3bdab66e3bbb64b8b5610b355ed1973a542e7106ebe6c02192bc6511",
    "signature": "0x151b62e623cd099400f22664e0d444ef276e81eed00a54bf7f29d06ea9c62942465511f30ec2c98adabd48c9b2956fd973a767dc4ad25022d87575e116c52fe01b",
    "signer": "0x5c51216FbbB9B7A562f11267f91f72A7be1e8DE3",
    "userId": "105826"
  }
}