{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27447",
    "entityType": "User",
    "nonce": "0xfaa54cf78964a2e086d3c70bfeec850b0b2bb5118c13cfe7439d8bae82f491dc",
    "signature": "0xd3e7b52cb77fef2c52a8ff34548ec0714156df1d19de15ffcbef1701beab188b0d086c516efcb87553e0d6af6128114ba54cdc76c9d080af1a0fcffce8220fa81c",
    "signer": "0x138B6ac6EcE2bea5eAb147DBdDe9E1a09717a3b3",
    "userId": "736985209"
  }
}