{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29907",
    "entityType": "User",
    "nonce": "0xa4d5cbcb211455b9295eaad3770eb15ea9e22d0a9d69ce812f70aec2246943a2",
    "signature": "0x516c0bdbd075e637fb256c4c982c985b690fbd109bf0213b1fe1f1cf099bb4291faac3f47157501301d9fef1bc8b70255e8f545fff092bda3ad4c77e1948ffa91b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}