{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "449938034",
    "entityType": "User",
    "nonce": "0x8ebc00ea8ae403447171f681cea37b57963541915e7db8aa3d8227f175df861a",
    "signature": "0xc78e6ff3a2a1c7c1024c14de79b0f6f84c2a7087f9a5d1aab6636e4489e9691c659a098116b5f0dc112feb0de807a702ad5081fd96bcb285682e1cf9b05421f21c",
    "signer": "0x7D6D9035aa24159A11b756872c46237Cd881A110",
    "userId": "892995183"
  }
}