{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49485",
    "entityType": "User",
    "nonce": "0x0ac74051080e37f624ed13c06cba42b95d0a572b71e22b1e74f7ea7c1c0571bc",
    "signature": "0x7bb3ddb8c82e3d1b01cff6b97eec3c169bce6d0d5be7b6a0161bbf275a15cf7702b8d7614f9beebdd7cf4f4c5a1bbc8227a744cab8f190358b96295f7aa828641c",
    "signer": "0x0aCBe776F193025439CaAAf7e3f4f7D77a63463A",
    "userId": "473952438"
  }
}