{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x84c80a05c576faf3ba1c53b21af2be3658aa420532c95b510ec97b5a58627b5c",
    "signature": "0xc8089f06a855ae4837ed687e1d88429301e9a174bd4c654d724e95a5b5546fc4460c68b95a2c8401f205e45d3b54e11a00d0227983b3ad1acde5b3defc1a70e91c",
    "signer": "0xe826518A8116188747A2839cB92D580ed85da7AC",
    "userId": "638301639"
  }
}