{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55837",
    "entityType": "User",
    "nonce": "0x2b0eb1ac557fe7d7fb11c01b4af78509e1dd320a945021b1322a0bead6c5f278",
    "signature": "0x49f42301a3c314a7e962489feb760e84f1276f08860da7141cfd45971a01946e1afbe7d9a5bf1b7ad74e50217455e14d626945be071a41208091dbf46152e32f1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}