{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x2b84fc0a61678eca63deb895ca64752fa6400ff10daf0a10ec524bf69280fdca",
    "signature": "0x316f30516432508a08b4fecdb7222d94699e11586acefb948b5ad591f497cd7e51c9aef23681e2fe427080a64b2166b007a83ea03a523f93b360de60e16581461b",
    "signer": "0x9CFcF2f710385920568Ea0aFd6E461Adb7F0026f",
    "userId": "95948533"
  }
}