{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "60493",
    "entityType": "User",
    "nonce": "0x55ff151072ecc5bc1759b2d4c18ab7a6e7f9f1ca7f4f4e7f893c21e4e6025cf9",
    "signature": "0x0998bb5c169f486ce13e219c5cf5b289bc146782b8d4407efd49e21380464a701b870e57c84b7d9496caa1d43afd348da55c55c169ddf3b49ac25ef7d9ee65311b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}