{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55975",
    "entityType": "User",
    "nonce": "0x030f0b52976578369b4c9ea2421f7dc2ecd35df71e5d4b33881028609747b4f2",
    "signature": "0xeb2dea183ac04811919862c01ce18121fbfbedb2214b7704981dd8981cfea4c755afd779aa441797c3e2529c3b82c6b64082b94619b76cf1ca8fda49dddd27e81b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}