{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55592",
    "entityType": "User",
    "nonce": "0x972881fe7457e5ead204ecef77ab790ddfb76040121094aa1f366f0478f6f4ed",
    "signature": "0xed10b8397a59913722d782334a5b1029eac1281fa030a10e0c469bbe2d4ac310455d55dc34e50eab7a9297256ac73b982039985e2290bc94b85027fc36e2a9321c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}