{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x92fe14117bf5753a8cda3ffc90c535666697557d1108657b846f37e3c91902a1",
    "signature": "0x7aba5cae5d1d985a63aab74cae95ece84348742b7278f1242b0f1733b3134fa64f4d6927fed0b35989b614b1e6ec1004b71c66a89e0c4c72695d09904d1fb3e91c",
    "signer": "0x4ab505DBD73CB27C1457E037607E5fB3B27915f9",
    "userId": "186630"
  }
}