{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "286419",
    "entityType": "User",
    "nonce": "0xd9d0e2f5cf948fa5164e3432fa6b9fbbcfcbf89c78dbb20ba16f7b1e5e91b82a",
    "signature": "0x664dbf7c7932a7e2d10b0ece380245d5b6c737ac36f69ef128fa18756eeeed364681e5f2129ab12abccd79f4f33ea89387323e84f645de5697e9d84290221d621b",
    "signer": "0x1366a1037C8F2E691bA2D0dF3a1176FbA4736510",
    "userId": "39692"
  }
}