{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x97f63a7b9840a8f899aafdf32213a7bbfef79355320ab7a97ef644d5a7f34462",
    "signature": "0x760ede88605404c9c3a8e2c7a45556f8601a053ba14a577665616d969c6d1b021271ef0416512a70a42e7fda8275669f28167d6191eace23e232675fe8f3a3d41c",
    "signer": "0xeF20529920bc4b674177449D3D79C43C5438B92c",
    "userId": "923491580"
  }
}