{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1511276",
    "entityType": "User",
    "nonce": "0xa49a88e2975810407636b79b70f66c0e8500c6066ad77bfd09525a311006681b",
    "signature": "0x0784d5640aa946e504560472cd45c5d058598b0de2cbd7b4ceb5b95595e1c9356df776decfeeff9cef490aabbd51b7a434fd792f8fd6693bf95ba7b0faf9ab5b1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}