{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x027677e7480db4368fe26e29cd2f52466be10671d46415c1d02f8f311b6dbdfb",
    "signature": "0x991fe2636b601c0fd9bbe0905c178f27042603ec4836b53b000af8e3d02a78b66bea1e49bc107939b6c98507e6c747b32fddf11a7c9144eca9eef0ec2299bf8a1b",
    "signer": "0x5E6f577E27b1A8B4064F1d8368F5f743DdC1259C",
    "userId": "226966189"
  }
}