{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "961927540",
    "entityType": "User",
    "nonce": "0x09346047dadf8b6e98c06d4861d6c6402268cd5f9ddda37211da05c14a01561e",
    "signature": "0x412a777629bd89327f271c7cd7a9db4961e79e4270e9a9ba1dde279a0c3b30dc7b14e84708ee62da8b93b7d0a0e9f247c560a41b27158b2401c7aa5692fbd2b81c",
    "signer": "0x018849A3d6594093B7646022836BaaDF36aA36Ad",
    "userId": "702391481"
  }
}