{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0xcb3ba25b689570b0627f09ad6d5ed61b809ae41aed80584443a92729f0d20c1c",
    "signature": "0xbbf97a36a69e4785e9a100a78ea40ea4f27d42e757bda16d0140cb9cf40dc5fd68bd3925f464febfb68276baa3e0c53f10de21b65e317978cdf006165af1a85d1b",
    "signer": "0x4Aa8154A33F33394BA8De574d71aC98Ba6A47D5a",
    "userId": "645720561"
  }
}