{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "284000",
    "entityType": "User",
    "nonce": "0xf0390372791cc8c7aea5fd6923a60dd777e3596660105bc835c0c5e9b5a8379c",
    "signature": "0x3ef285e227d3b7a3b80421fa3761a4b137b042a969934fa8f7f1ae57009cf2364bc40ed5e5493eb75d8dad795ade8dfbd7ad7a6dfde971f8905363c5f9a898501b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}