{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x37b001371df50926dbe838b4db5bb71fc7a9601d201d0873b407e96b9f116561",
    "signature": "0x8488a00146c2851f93603cb58146fad04ef3ee7c990da1bb1e99f263f98214d5038553997d8d230e435533dfe48a8337b92b2d870703048f740f8ae22579d0891b",
    "signer": "0x250BA5492e75e8e9a4D09C6cDE8D09f1B7dfA3d8",
    "userId": "831474008"
  }
}