{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "279",
    "entityType": "User",
    "nonce": "0x4fd8608c794feee3a07216c569e14296960c18e7051aa6d69ef0f62a99a01bc2",
    "signature": "0x47c71527e8c22e66b0e73f34ed267277232dc411bb8b3ea1aee4f1633d9dfb7f39f8895759a9a21fcd83493122911d4d889f145d679b520cecce5d0830c2414f1b",
    "signer": "0xe1EBB2b0eed447a94b95294C357cc71235152A13",
    "userId": "888593291"
  }
}