{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "97654",
    "entityType": "User",
    "nonce": "0x2d74c27b585ad1d13d40cfc38a7ed01060f9c8c88104282dd224067ec57894e7",
    "signature": "0x3e190f940dea6646e99c2d01535d3280c6e1b5b34fc12baa7e208f4940941156512683c8384e984aa0a2e444c972a5c7e0f604ff7d45fd7c0ee0d4871553657b1b",
    "signer": "0xF2c19977A72e7f63bBbD9063748E52c002b22f6b",
    "userId": "957488166"
  }
}