{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "394473880",
    "entityType": "User",
    "nonce": "0xb0d3d4dc5cb9037d869c5479d1a9b8086011f45b1e7c1d6504f72c3d3b59490e",
    "signature": "0xd311acad9bfad64aaae801a1183acfa078703dd5e8c60185281c39d8bab7f68a211ff080fb0d65fe2d0601c7b0d3dd06e4daec75d7cf702f09ce544480a8dd561b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}