{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "844779350",
    "entityType": "User",
    "nonce": "0x7e66bea19528bf1dee55fa61d5c01f8d0f7a2513679664734e6aa2541e46aae1",
    "signature": "0xaee0fd214fdcf28eba476c7d6ff7badc6d5c7c08a27bc55073ea9f5be853d98018a3dc2af37c0be312c069094db4494e60a677bd0089e6d8538697905c184cd21c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}