{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "169625",
    "entityType": "User",
    "nonce": "0xee988b8d3da100cb246636b7ea88397d964053be490f1a6274ac1cd4450f5a0b",
    "signature": "0x174e39751315fbe4f53f2e44e546644a44e64d39689b747e4aa68766e15becf9364f82be6fe1b1538c51f07a34ec36917d2975bf9918f73998770afd4ee50d9e1b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}