{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x285a3cbe15ae969d35caccaed2454894e8818fb736b5f3f37c7c48f474889391",
    "signature": "0x38bbca0fa1d8ec6e162bba03792a85202b5c9a2e1b18c99896e40bb2ccfa0f9a22597b99fad5c3ac0964fc0755162481758aabf9b3ea3cbc15b98677bd17b54d1c",
    "signer": "0x1788E4C39d3326e598F16767C69826869594E359",
    "userId": "116504833"
  }
}