{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "102006",
    "entityType": "User",
    "nonce": "0x9a75cd5d3b489f08387b2d0433b288c1ba0b59620ae384c00e66859ca869649e",
    "signature": "0xa38d02b229647f9df3c8764ff6a9da5f791ba38a0532c9a80e6a08f208213d326073e2c529d9c313449d5583bd178668d9c8f7b88a876c94944b9ddc7865a0aa1b",
    "signer": "0xe1EBB2b0eed447a94b95294C357cc71235152A13",
    "userId": "888593291"
  }
}