{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "711459379",
    "entityType": "User",
    "nonce": "0xaee0687350be5aa9642348354c4510681a81db4aa23232937e53434c80b1a3e6",
    "signature": "0xa0d567fb8e2eefdaf191e6a7f6b4b64baa9b648241ff58d4884422582bb061695313fa97ba6a5c504337e79281b48f3472acd5e53d08ea862bd50ea86af66d1d1c",
    "signer": "0x9149C438b2FBf68d0e846EEfE2E6B19be686Af42",
    "userId": "843"
  }
}