{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "910778788",
    "entityType": "User",
    "nonce": "0x36fa3b40bd78b41a42e14e05b076a5f4c9d0b007470e10ddf4e1cd397b31fab6",
    "signature": "0xcc697503daf6a8311001a1c20007fbad53751ca7d6434ccc60971b279c94c8311ad33d6ad7408fbd2efb994bf3cbcbf0b862575d5d91ecd5705dc328f9f7b80b1c",
    "signer": "0x8ED8606Ab8cF49801aEa2bf8fFD349E9c85bC6a0",
    "userId": "464330844"
  }
}