{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "211692",
    "entityType": "User",
    "nonce": "0x33bc19d30d2107f40cbc49be0560dd2f0f43f9db119efc42abfda58dd6e5a580",
    "signature": "0x8541680eb679dd2caaeea345fa463114671b16639c68ee6f0a060a8b9d7697315e7337fbb400452d10ed6d62cdb317423ba0d7ee665e990a3a41ef701a76d39e1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}