{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "217588",
    "entityType": "User",
    "nonce": "0x0edbe817432bb87ceb4975f5163407ae30ac555fad51c1da8503cedf72ab79e4",
    "signature": "0x00142d49de94b71067d0c0eed4dec5c995903d65bb0e320de5f462d87e1bf4a269276f7391ef0fbc4b1ee069182cbf0b483f501f5b5b0f0579a9c6b4aa6ca7b51b",
    "signer": "0x48ECe992edB7C739B36f37DDbE8Fe352996B5A56",
    "userId": "183063753"
  }
}