{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105821",
    "entityType": "User",
    "nonce": "0xef1856a70963bfef72e7a18752da917f8926c36914c7b298f31cc05ce64523ff",
    "signature": "0x309b36e54c219a0a44c7b66c3d988abfc9d14c5f0d51aa3cff244aea967e9835650c315c799ed5dc3487032ee1f54e999893e7345d0e6f95844c8a2e4bbae9351c",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}