{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "955974066",
    "entityType": "User",
    "nonce": "0x5770df1b0b2f77a1416f486cf83913e7b9fb8b3ea9373fa3624aaef6b0713db1",
    "signature": "0x4b2778917fffe0ccd621d3d18ee2eb3af7318274096aaef05a0369c92dd4fa3a4ee2475bb32a93ab9e9d7391f38be0eda3929a6ed002d3317695b4d05e978ed41b",
    "signer": "0x0157D745aebb0AD9f297C69193065ce6fBB09853",
    "userId": "208486764"
  }
}