{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe2207f79bfa35edd12ba053a1a6ef2fd35ab753ab4fa5b0bad062fa53166361a",
    "signature": "0xd0acbcb0d862104e05fd97c8fac455af07214846f3f77c6d1337cd5de60590d560fae5079b1ce6a68776a4f3cb151cdbe73413dc53edf253b9441f937041bd371b",
    "signer": "0xfBD8EE6a8F149b22584fBAe95DBfc4F696533620",
    "userId": "385835809"
  }
}