{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "871929900",
    "entityType": "User",
    "nonce": "0xeb8af25ac7a8eb6cfb91cd456b524d5cb70ad1d3ebb803cce84076538a5bae04",
    "signature": "0x65ba7da1b664fc1795eb6cba32bcf963d0d0a8789cffb87dac40c34a674750834e805c0701f6374efbe5abe6bb5c6e92f354f5d09e069ec63c92c1e63de5fb221c",
    "signer": "0x7b52e6AA15Db4Fc3A84AFF2b12e5B8B128eA8610",
    "userId": "808512351"
  }
}