{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5902",
    "entityType": "User",
    "nonce": "0x3008b566fb8f73793f94ee91a7698c7eef928cb2f57f75621f3bb6e4e6ae5cca",
    "signature": "0x9d47ed0afdb0ed186a25ad4c20287bd0e0b6171eca73043d7232dc55d9039bce007c3980edd9ea07d0cc990ddfe0055ac1184b6dfcc8230a9f5086b3b104d0e91c",
    "signer": "0x367680E9B4EfE77a6636091FA6c2c71749Cf7C60",
    "userId": "40274"
  }
}