{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "312079",
    "entityType": "User",
    "nonce": "0x7141b72e63bd5546d5ad671dce97abc787d7b9dd8fc51f3dbf26dcb9f2ce5c41",
    "signature": "0x2c6e0b0d121bfb6eaaf84e08405349d242cf989d58c344291d8d958b477930d7331bcce6919d16839c0ff451e131ce6ab68791c58aa278e80fa843685a32d8a71b",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}