{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "88738",
    "entityType": "User",
    "nonce": "0x19ee1954264dd0ba9e2c675eb7aed5ee1e288ed5620d6c9b15e15e951af02192",
    "signature": "0xededcde1ee46141db47d840fd1ecb1ee964074ebe1a73e149f05e8a296b2f2ea3910c5f247dda3f2fc1d8012f9066751ac63159c324aaef878958bcae05e6af51b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}