{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "129445",
    "entityType": "User",
    "nonce": "0x798e4bdcdc29e61d15e87ee3f95dac970539080c33681ff4f9fe18e3a5610c6b",
    "signature": "0x079549305ff96517f5ffb0242680f4711e9a295985b872fab6db90db27d8698a6bfcf220c368aa166c7f6c0b2c868e0ad429331ad61fff312618e26296203d911c",
    "signer": "0x3Ec98fFA47eF7773803b73964753B99Ae2D50f41",
    "userId": "545926315"
  }
}