{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "166066089",
    "entityType": "User",
    "nonce": "0xb812ef85b6cf2ee20fec2ef1bce726a3acbe2a51285cdf9e4ec9b2078c318db4",
    "signature": "0xb8f5327b760597e84f0532ad4a1633fc0fa6e486a5e631913845f72797f2498b14568687b16abba44059b3a3182bfee058a9bbacd1cbb4ede39afdc1340a88fe1b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}