{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "69305",
    "entityType": "User",
    "nonce": "0x7c982fc85d618d65554d99d5671e5de71d76570444b1096730cd9a02481cc8eb",
    "signature": "0xc3ac5984e113a44d94225fe9ceb0b58b27ebdfcde2fa8de7cbd3874161dd53c30b0523cc1fe54f8116aeb82bc7a77e586d2ec48931313dacf41103ce9713b3f51c",
    "signer": "0x0157D745aebb0AD9f297C69193065ce6fBB09853",
    "userId": "208486764"
  }
}