{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73735",
    "entityType": "User",
    "nonce": "0x692f7655ab821249b2862f038c4be4c4971d5d26540dab7760e720e90763a107",
    "signature": "0xa9b83b4edf8c9fc81a406a6176e3ab681051f58a8511dc25634eb1d6deeac1fe21ec021f9ac2f163d5eca7698ece33c5afd23854e6ab39d4476e45f0bb7c10331b",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}