{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1413574",
    "entityType": "User",
    "nonce": "0x31b2b53a56fb5fc540c1add81df87813c09131f99772728f92613439fc4260ec",
    "signature": "0x8f7c2d5871490afe672597bbaccb7c3525818a7ceb9b3a8ad94b283ef0ffb2f2380031a2275af6f4b5593d831d6d3073a798ba5edb12aa705bbcdb90def049a71b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}