{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "102629",
    "entityType": "User",
    "nonce": "0x0cdbe4f1d50f31052c86db74b48002236536450a56ec46d5f9fce06dccad532b",
    "signature": "0xff952b95375dba5040af887a57924a9de7648ae575d3abd9bddde0a708a2d54a72e6286be36fe19d90108810292f825b4d5434ed4a7925c1e05857e0c7d0c2081b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}